Color

#05ff9f

#05ff9f
hex#05ff9f
rgbrgb(5, 255, 159)
hslhsl(157, 100%, 51%)
oklchoklch(0.88 0.208 157.3)
Closest name: mediumspringgreen (#00fa9a)Relative luminance 0.7406

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#ff0565

#05ff22 · #05e2ff

#9f05ff · #ff9f05

Split-complementary

Open in tool →

#ff05e2 · #ff2205

#2205ff · #ff0565 · #e2ff05

Contrast

#05ff9f as textRatioAAAA largeAAAFix
Aaon white
1.33:1failfailfail
  • AA: use #008552 as the text (4.69:1)
  • AAA: use #00663f as the text (7.07:1)
  • AA: or shift the background to #636363 (4.52:1)
  • AAA: or shift the background to #454545 (7.22:1)
Aaon black
15.81:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #05ff9f as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #05ff9f
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #05ff9f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/05ff9f-a2beb7-d459c4-1f2c2d-e9f1ea?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md